CVE-2026-51934
Remote buffer overflow in Tenda A18 allowing code execution.
Is CVE-2026-51934 being exploited?
Not confirmed. CVE-2026-51934 does not appear in CISA's Known Exploited Vulnerabilities catalog, which records only exploitation that has been observed and reported publicly. That is evidence of absence of a report, not evidence the flaw is unattacked. EPSS currently estimates a 0.64% probability of exploitation in the next 30 days.
How severe is CVE-2026-51934?
CVE-2026-51934 is rated Critical with a CVSS score of 9.8. Severity describes how bad exploitation would be, not how likely it is: pair it with exploitation evidence before deciding what to patch first.
Is there a patch for CVE-2026-51934?
Not known from our data. No patch reference has been recorded for CVE-2026-51934, which is not the same as no patch existing — a fix may have shipped without a tagged reference, or after this record was written. The vendor advisory is the only authority on whether a fix exists, and mitigations may be available regardless.
What does CVE-2026-51934 affect?
CVE-2026-51934 affects Tenda A18 firmware v15.13.07.09. Confirm the exact affected versions against the vendor advisory before deciding you are exposed.
What should I do about CVE-2026-51934?
Isolate affected devices, block remote management ports, apply vendor firmware when released.
Exploitation status reflects CISA's KEV catalog as we last synced it. Check the catalog directly.
Remote unauthenticated buffer overflow in fromSetCmdlineRun enables remote code execution and full device compromise.
Immediate action required